2013202160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{1483}}^1$

素因数の和:1806

約数の個数: 80

約数和(自身を含む): 4769694720

約数和(自身を除く): 2756492560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 239, 284, 355, 478, 568, 710, 956, 1136, 1195, 1420, 1483, 1912, 2390, 2840, 2966, 3824, 4780, 5680, 5932, 7415, 9560, 11864, 14830, 16969, 19120, 23728, 29660, 33938, 59320, 67876, 84845, 105293, 118640, 135752, 169690, 210586, 271504, 339380, 354437, 421172, 526465, 678760, 708874, 842344, 1052930, 1357520, 1417748, 1684688, 1772185, 2105860, 2835496, 3544370, 4211720, 5670992, 7088740, 8423440, 14177480, 25165027, 28354960, 50330054, 100660108, 125825135, 201320216, 251650270, 402640432, 503300540, 1006601080, 2013202160]

約数ペア:

[(1, 2013202160), (2, 1006601080), (4, 503300540), (5, 402640432), (8, 251650270), (10, 201320216), (16, 125825135), (20, 100660108), (40, 50330054), (71, 28354960), (80, 25165027), (142, 14177480), (239, 8423440), (284, 7088740), (355, 5670992), (478, 4211720), (568, 3544370), (710, 2835496), (956, 2105860), (1136, 1772185), (1195, 1684688), (1420, 1417748), (1483, 1357520), (1912, 1052930), (2390, 842344), (2840, 708874), (2966, 678760), (3824, 526465), (4780, 421172), (5680, 354437), (5932, 339380), (7415, 271504), (9560, 210586), (11864, 169690), (14830, 135752), (16969, 118640), (19120, 105293), (23728, 84845), (29660, 67876), (33938, 59320)]